install conan from universe to travis

.travis.yml

@@ -11,7 +11,6 @@ matrix:
             - llvm-toolchain-precise-3.7
             - ppa:george-edison55/cmake-3.x
           packages:
-            - python3
             - g++-6
             - clang-3.7
             - llvm-3.7-runtime
@@ -183,6 +182,7 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-xenial-8
           packages:
+            - conan
             - g++-6
             - clang-8
             - libc++-8-dev
@@ -229,6 +229,7 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
+            - conan
             - g++-4.9
             - libcurl4-openssl-dev
             - libelf-dev
@@ -320,6 +321,7 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
+            - conan
             - g++-9
             - libcurl4-openssl-dev
             - libelf-dev
@@ -390,13 +392,6 @@ install:
       which cmake || brew install cmake
       which pip3 || brew upgrade python@3 || brew upgrade python@3 || true
     fi
-  - |
-    if [[ ! -z "${CONAN_COMPILER}" ]]; then
-      pushd /tmp
-      wget 'https://dl.bintray.com/conan/installers/conan-ubuntu-64_1_28_1.deb'
-      dpkg -i conan-ubuntu-64_1_28_1.deb
-      popd
-    fi
 
 before_script:
   - CXX=${COMPILER} CXXFLAGS=${CXXFLAGS} ./check_errors.sh ||